/Engine/Source/Runtime/Engine/Public/AudioDeviceManager.h
Updates source effect chain on all sources currently using the source effect chain.
void UpdateSourceEffectChain ( const uint32 SourceEffectChainId, const [TArray](API\Runtime\Core\Containers\TArray)< [FSourceEffectChainEntry](API\Runtime\Engine\Sound\FSourceEffectChainEntry) > & SourceEffectChain, const bool bPlayEffectChainTails )